CH9720 Programmable DC Electronic Load Instructions Chapter I Ready to use
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Chapter I Ready to use
Thank you for purchasing and using our products. Please check and check according to
the random packing list before using this instrument. If there is any discrepancy, please
contact our company as soon as possible to protect your rights.
1.1 Check shipment
After receiving this product, please carefully unpack and check according to the
following procedure:
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WARNING: If the appearance of the electronic load (such as the enclosure, front/rear
panel, LCD screen, power switch, and port connector) is damaged during transport,
do not connect the power supply and turn the power switch on, as this may result in a
risk of electric shock.
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1. Inspect the package or shock absorbing material used to package the electronic load
for damage.
2. Check the packing items attached to the electronic load in the box for damage or
defects.
3. Check that all of the packing items included with the electronic load are the specified
accessories or options.
Standard configuration
Quantity
Remarks
CH9720B/BU;CH9720C/CU HOST
1 set
Model according to the order form
Test connection board
1 set
Power cable
1 set
Different from country to region
User's manual
1 serving
Inspection report / certificate
1 serving
If you have any questions about the above checks, please contact our company or the
relevant distributor.
1.2 Check the power supply
Check that the power supply to the electronic load meets the following requirements:
Claim
Voltage
220/110(1±10%)V AC
Frequency
47
～
63Hz
Max power consumption
30VA
1.3 Installation fuse
Fuse specifications: 250V / 1A slow-blow (Slow-Blow), 5×20mm small fuse
The instrument has a fuse installed at the factory.Replacement fuses are included with
the accessories, please replace them with the specified size fuses!
To check and replace the fuse, unplug the power cord and pull out the fuse holder.